RV & Van Life: Lightweight Lithium That Actually Lasts

Full-time RV and van life push batteries harder than weekend campers. BigBattery's **RV, Van & Camper** line focuses on **lightweight LiFePO4**, fast charging, and integrated monitoring—not repurposed golf cart blocks without BMS visibility.

Why switch from lead-acid

Lead-acid AGM batteries work until they don't: voltage sag under microwave or A/C startup, **50% usable capacity**, and weight that eats payload. LiFePO4 typically delivers:

- **Half the weight** per usable kWh - Stable voltage under load - 3,000–4,000+ cycles when properly charged - No watering or corrosion maintenance

HUSKY2 + LINKS2 control systems

BigBattery bundles **12V HUSKY2** packs (400Ah and 800Ah configurations appear in the catalog) with **Victron LINKS2** embedded screens for state-of-charge, solar input, and inverter status in one dashboard.

For DIY van builds, integrated control reduces wiring errors and gives guests a single UI instead of three apps.

Charging sources on the road

Plan for **multi-source charging**:

- Solar (MPPT sizing to battery capacity) - Alternator (DC-DC charger when driving) - Shore power (converter/charger compatible with LiFePO4 profiles)

BigBattery sells **lithium-specific chargers**—using old lead-acid charge profiles can shorten LiFePO4 life.

Space and weight budgeting

Before ordering the largest Ah pack, measure your battery box. A 12V 800Ah bank is serious energy—but only if it fits and stays within axle ratings.

Our take

For van life and Class B/C rigs, prioritize **monitoring, charge profile compatibility, and US support**. HUSKY2-style kits trade a premium upfront price for years of maintenance-free miles.